Building block



FIG. 1 is a rear perspective view of a top surface of a building block showing our new design, according to one implementation.

FIG. 2 is a rear perspective view of a bottom surface of the building block in FIG. 1.

FIG. 3 is a front perspective view of the top surface of the building block in FIG. 1.

FIG. 4 is a front perspective view of the bottom surface of the building block in FIG. 1.

FIG. 5 is a top view of the building block in FIG. 1.

FIG. 6 is a bottom view of the building block in FIG. 1.

FIG. 7 is a front view of the building block in FIG. 1.

FIG. 8 is a rear view of the building block in FIG. 1.

FIG. 9 is a right side view of the building block in FIG. 1.

FIG. 10 is a left side view of the building block in FIG. 1.

FIG. 11 is a cross sectional view of the building block shown in FIG. 1 as taken through the 11-11 line.

FIG. 12 is a cross sectional view of the building block shown in FIG. 1 as taken through the 12-12 line.

FIG. 13 is a rear perspective view of a top surface of a building block showing our new design, according to another implementation.

FIG. 14 is a rear perspective view of a bottom surface of the building block in FIG. 13.

FIG. 15 is a front perspective view of the bottom surface of the building block in FIG. 13.

FIG. 16 is a front perspective view of the top surface of the building block in FIG. 13.

FIG. 17 is a top view of the building block in FIG. 13.

FIG. 18 is a bottom view of the building block in FIG. 13.

FIG. 19 is a front view of the building block in FIG. 13.

FIG. 20 is a rear view of the building block in FIG. 13.

FIG. 21 is a right side view of the building block in FIG. 13.

FIG. 22 is a left side view of the building block in FIG. 13.

FIG. 23 is a cross sectional view of the building block shown in FIG. 13 as taken through the 23-23 line.

FIG. 24 is a cross sectional view of the building block shown in FIG. 13 as taken through the 24-24 line.

FIG. 25 is a rear perspective view of the building block of FIG. 1 shown in an assembled wall having a plurality of building blocks; and,

FIG. 26 is a front perspective view of the building block of FIG. 1 shown in the assembled wall shown in FIG. 25.

The break lines depict the boundaries of the claim. The area between the break lines forms no part of the claimed design.

The broken lines, consisting of only short dashes and showing the remaining portions of the building block and its environment, form no part of the claimed design.

The broken lines consisting of dot-dot-dash are boundary lines that show that the claimed design extends to the boundary line. 

CLAIM The ornamental design for a building block, as shown and described. 